Kanto badge phase
Pokemon Yellow Phase 3: Thunder Badge Walkthrough
Phase 3 of the Pokemon Yellow walkthrough covering Routes 5/6, Underground Path, Vermilion, S.S. Anne, Lt. Surge, Diglett's Cave, and Route 11 cleanup.
Routes 5/6, Underground Path, Vermilion, S.S. Anne, Lt. Surge, Diglett's Cave, and Route 11 cleanup. Open each section page for exact encounter odds, trainer teams, visible items, hidden items, and boss branches.
Phase 3
Routes 5/6, Underground Path, Vermilion, S.S. Anne, Lt. Surge, Diglett's Cave, and Route 11 cleanup.
Section Pages
Use the Underground Path to reach Vermilion while Saffron's guards block the direct gates.
Section 2 Vermilion City and S.S. AnneBoard the S.S. Anne, loot every cabin, beat the Rival, and get Cut from the captain.
Section 3 Vermilion GymSolve the trash-can switch puzzle and earn the Thunder Badge.
Section 4 Route 2 Flash, Diglett's Cave, and Route 11Use Cut and Diglett's Cave to unlock Flash, then clear Route 11 east of Vermilion.
Phase Data Rollup
| Section | Source maps | Wild rows | Trainers | Items |
|---|---|---|---|---|
| Routes 5 and 6 with Underground Path | 5 | 20 | 6 | 2 |
| Vermilion City and S.S. Anne | 14 | 15 | 14 | 13 |
| Vermilion Gym | 1 | 0 | 4 | 1 |
| Route 2 Flash, Diglett's Cave, and Route 11 | 6 | 20 | 10 | 5 |
Phase 3 Checklist
- Finish every section page in order before treating Thunder Badge as complete.
- Check Yellow encounter rows before skipping a catch.
- Use boss rows for exact party branches and reward planning.